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Analysing the role of sleep quality, functional limitation and depressive symptoms in determining life satisfaction among the older Population in India: A moderated mediation

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This study aimed to examine (1) the association between LS and sleep quality among older Indian adults aged 60 years and above (2) the mediating role of depression that accounts for the association and (3) the moderating role of functional limitation in this mediation.

Banerjee et al BMC Public Health (2022) 22:1933 https://doi.org/10.1186/s12889-022-14329-9 BMC Public Health Open Access RESEARCH Analysing the role of sleep quality, functional limitation and depressive symptoms in determining life satisfaction among the older Population in India: a moderated mediation approach Shreya Banerjee1* and Bandita Boro1 Abstract Background:  Life satisfaction (LS), a useful construct in the study of psycho-social well-being, is an important indicator of healthy aging With a view to investigate whether the improved longevity in India is accompanied by commensurate levels of well-being and contentment among the older adults , this study aimed to examine (1) the association between LS and sleep quality among older Indian adults aged 60 years and above (2) the mediating role of depression that accounts for the association and (3) the moderating role of functional limitation in this mediation Methods:  Cross-sectional data from the Longitudinal Ageing Study in India (LASI), Wave-1 (2017-18) was used Pearson’s correlation coefficients were calculated to investigate the pair-wise relationship between sleep quality, depressive symptoms, functional limitation, and LS Structural Equation Model was employed to analyse the moderated-mediated association between sleep quality and the level of LS Results:  Sleep quality had a direct effect (β=-0.12) as well as an indirect effect (β=-0.024) via depressive symptoms on LS, accounting for 83.6 and 16.4 per cent of the total effects, respectively Also, the interaction term between poor seep quality and functional limitation was positive (β = 0.03, p 

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